fix CreateTempAlloca to not set a name on the alloca for temporaries
in release-assert builds. For automatic variables, explicitly set
a name with setName that does not make a temporary std::string.
This speeds up -emit-llvm-only -disable-free on PR3810 by 4.6%
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67459 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index 441c9fc..1d9f0f8 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -163,9 +163,11 @@
// later. Don't create this with the builder, because we don't want it
// folded.
llvm::Value *Undef = llvm::UndefValue::get(llvm::Type::Int32Ty);
- AllocaInsertPt = new llvm::BitCastInst(Undef, llvm::Type::Int32Ty, "allocapt",
+ AllocaInsertPt = new llvm::BitCastInst(Undef, llvm::Type::Int32Ty, "",
EntryBB);
-
+ if (Builder.isNamePreserving())
+ AllocaInsertPt->setName("allocapt");
+
ReturnBlock = createBasicBlock("return");
ReturnValue = 0;
if (!RetTy->isVoidType())